| (Model # PIOUS2) Note: Picture may not represent the actual product. We are continuously working on improving our website and reserve the right to change specifications, availability, and pricing without prior notice. 1 per DK24/56/96 or DK40 system to interface to SMDR, local terminal or external modem. Contains relay control, alarm sensor, door lock control, BGM mute control, tape recorder control or night ring relay. Accepts IMDU internal modem. 1 to 3 per DK280/DK424/DK424i system to interface to SMDR, local terminal, external modem, SMDI, or MIS processor. Also contains relay control, alarm sensor, door lock control, BGM mute control, tape recorder control or night ring relay, and 600 ohm paging interface. | |